Technical features&colon;&ast; It is made of high-density plastic materials&comma; large ear holes for monitoring the patient's ear canal&period;&ast; It can be used with scoop stretcher or spine board&period;&ast; Minimal interference with X-ray&comma; MRI&comma; or CT scanning procedures&period;&ast; Waterproof plastic coating makes it easy to clean and prevents bacterial growth on it&period;&ast; HD-03 is special design for child&period;